i have a 94 silverado that idles fine in park but trys to stall out in drive or reverse.

Asked by Dec 07, 2014 at 04:45 PM about the Chevrolet Silverado 1500

Question type: Maintenance & Repair

I have changed the entire fuel system from the tank to the (TBI) along with the distributer, cap, rotor, plugs, wires,

1 Answer

6,025

Have you checked the vacuum line to the vacuum modulator on the transmission? When you put the transmission in Drive or Reverse, it sends vacuum to the diaphram on the modulator and if there' s a leak in the vacuum line, it's going to make the engine run like crap a low speeds.

Your Answer

Chevrolet Silverado 1500 Experts

  • #1
    John Carson
    Reputation
    3,460
  • #2
    Rowefast
    Reputation
    2,390
  • #3
    Andrew Olsen
    Reputation
    2,140
View All

Related Models For Sale

Used GMC Sierra 1500
708 Great Deals out of 58,799 listings starting at $1,995
Used Ford F-150
2,313 Great Deals out of 214,968 listings starting at $1,300
Used Chevrolet Silverado 2500HD
375 Great Deals out of 29,590 listings starting at $2,000
Used Dodge Ram 1500
306 Great Deals out of 9,513 listings starting at $1,750
Used Toyota Tundra
471 Great Deals out of 38,650 listings starting at $1,999
Used Ram 1500
938 Great Deals out of 120,702 listings starting at $3,900
Used Toyota Tacoma
408 Great Deals out of 44,656 listings starting at $1,995
Used Chevrolet Tahoe
542 Great Deals out of 36,630 listings starting at $1,299
Used Chevrolet Colorado
270 Great Deals out of 41,238 listings starting at $1,900
Used Ford F-250 Super Duty
366 Great Deals out of 41,815 listings starting at $1,600
Used Chevrolet Camaro
238 Great Deals out of 28,791 listings starting at $1,800
Used GMC Sierra 2500HD
141 Great Deals out of 15,597 listings starting at $3,705
Used Chevrolet Silverado 2500
202 listings starting at $4,495
Used Jeep Grand Cherokee
788 Great Deals out of 75,812 listings starting at $899
Used Ford Mustang
253 Great Deals out of 36,689 listings starting at $2,500

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.